DDUCSP Command

Selects a preset user coordinate system

	Standard toolbar:
	Tools menu: UCS, then Preset UCS
	Command line: dducsp

The UCS Orientation dialog box is displayed.

A user coordinate system (UCS) is a user-controlled coordinate system for convenient placement of objects. DDUCSP provides choices among preset UCS orientations.

UCS Orientation Dialog Box

The image tiles illustrate the ways you can change the current UCS. After you select an image tile, AutoCAD LT changes the current UCS based on the setting of the Relative to Current UCS or Absolute to WCS options. Relative to Current UCS and Absolute to WCS are not used if you restore the UCS to the WCS (World Coordinate System) or the previous UCS, or set the UCS to the current view.

Images of Preset User Coordinate Systems

To change the position of the UCS, select an image of a preset user coordinate system (UCS). The orientation of the UCS is determined by the following:

• Relative to Current UCS. Select to reorient the UCS relative to the current UCS orientation.
• Absolute to WCS. Select to reorient the UCS relative to the fixed World Coordinate System (WCS).

Related Commands: DDUCS renames, restores, deletes, or lists defined coordinate systems. UCS defines or modifies the current user coordinate system.
System Variables: UCSICON controls visibility and placement of the UCS icon viewports. UCSNAME displays the name of the current coordinate system. UCSXDIR displays the X direction of the current UCS of the current space. UCSYDIR displays the Y direction of the current UCS for the current space.